Louis Marie Moris ( 1818 - 1883 ) was a French painter. Louis Marie Moris s works have been put up for auction numerous times, with realized prices surpassing estimated prices, varying from 732.47 USD for equestrian figural group of two classical warriors in combat in 2004 to 8850 USD for The Emperor Napoleon on Horseback, in 2013 , based on the size and medium of the artwork.